Home / 7,403,762.60-11,109,791.10-3,143,205.80

Finding the Fourth Proportional to 7,403,762.60, 11,109,791.10 and 3,143,205.80

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Solution

The fourth proportional to 7,403,762.60, 11,109,791.10 and 3,143,205.80 is: 4,716,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,762.60 : 11,109,791.10 = 3,143,205.80 : x
  2. Step 2: Convert to fraction form
    7,403,762.60/11,109,791.10 = 3,143,205.80/x
  3. Step 3: Cross multiply
    7,403,762.60x = 11,109,791.10 × 3,143,205.80
  4. Step 4: Simplify right side
    7,403,762.60x = 34,920,359,822,308.38
  5. Step 5: Solve for x
    x = 34,920,359,822,308.38/7,403,762.60
  6. Step 6: Final answer
    x = 4,716,569.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.